arch/arm/boot/dts/qcom/qcom-sdx55.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/qcom/qcom-sdx55.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/qcom/qcom-sdx55.dtsi
Extension
.dtsi
Size
21741 bytes
Lines
888
Domain
Architecture Layer
Bucket
arch/arm
Inferred role
Architecture Layer: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: BSD-3-Clause
/*
 * SDX55 SoC device tree source
 *
 * Copyright (c) 2018, The Linux Foundation. All rights reserved.
 * Copyright (c) 2020, Linaro Ltd.
 */

#include <dt-bindings/clock/qcom,gcc-sdx55.h>
#include <dt-bindings/clock/qcom,rpmh.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interconnect/qcom,sdx55.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/power/qcom-rpmpd.h>
#include <dt-bindings/soc/qcom,rpmh-rsc.h>

/ {
	#address-cells = <1>;
	#size-cells = <1>;
	qcom,msm-id = <357 0x10000>, <368 0x10000>, <418 0x10000>;
	interrupt-parent = <&intc>;

	memory {
		device_type = "memory";
		reg = <0 0>;
	};

	clocks {
		xo_board: xo-board {
			compatible = "fixed-clock";
			#clock-cells = <0>;
			clock-frequency = <38400000>;
			clock-output-names = "xo_board";
		};

		sleep_clk: sleep-clk {
			compatible = "fixed-clock";
			#clock-cells = <0>;
			clock-frequency = <32000>;
		};

		nand_clk_dummy: nand-clk-dummy {
			compatible = "fixed-clock";
			#clock-cells = <0>;
			clock-frequency = <32000>;
		};
	};

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;

		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a7";
			reg = <0x0>;
			enable-method = "psci";
			clocks = <&apcs>;
			power-domains = <&rpmhpd SDX55_CX>;
			power-domain-names = "perf";
			operating-points-v2 = <&cpu_opp_table>;
		};
	};

	firmware {
		scm {
			compatible = "qcom,scm-sdx55", "qcom,scm";
		};
	};

Annotation

Implementation Notes